scene services


  • Fire and Explosions
  • Water and Oil Releases
  • Equipment Failures
  • Accidents
lab services

Lab Services

  • Evidence Examination
  • Ignition Testing
  • Electrical Testing
  • Mechanical Testing

Case Studies

  • Real-Life, practical testing
  • Topics important to the investigative community
  • Photos, data and references supporting the analysis


  • Offered at your site or at our lab
  • Hands-On exhibits
  • Live demonstrations
  • Topics include electrical, plumbing, appliances and HVAC


  • Now offering x-ray services
  • Digital radiographs in JPEG and DICOM formats
  • Saving clients time and expenses of outside vendors

Electrical & Mechanical Forensic Engineering Experts

Scene Services

Every GAI scene examination begins with the end in mind – to process the scene as if the case will go to trial.

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Lab Services

GAI’s 1,800 square foot laboratory is proof of our commitment to the scientific method.

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GAI has created unique seminars to help our clients understand the technical aspects of property damage and personal injury cases.

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Case Studies

Many of the cases GAI works on are “one in a million” occurrences.

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Forensic Engineering since 1934

GAI Engineers is a forensic engineering firm specializing in origin and cause investigation, failure analysis, accident reconstruction, and other technical support for insurance companies, law firms, manufacturers, fire investigation companies and private parties. Since our founding in 1934, GAI has investigated and resolved thousands of cases involving property loss, premise liability, personal injury, and product liability. GAI works on behalf of insureds, claimants, plaintiffs and defendants, to help with insurance contracts or legal disputes. Our registered professional engineers and certified analysts help clients achieve cost-effective resolution on anything from small water damage claims to massive building explosions.

Today, under the direction of Andrew J. Williams, P.E., GAI continues the tradition of responsive service, accurate analysis, thorough reporting, and defensible opinions for insurers, attorneys, and private parties throughout New England.